28628886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{547}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 68495616

約数和(自身を除く): 39866730

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 61, 66, 78, 122, 143, 183, 286, 366, 429, 547, 671, 793, 858, 1094, 1342, 1586, 1641, 2013, 2379, 3282, 4026, 4758, 6017, 7111, 8723, 12034, 14222, 17446, 18051, 21333, 26169, 33367, 36102, 42666, 52338, 66734, 78221, 100101, 156442, 200202, 234663, 367037, 433771, 469326, 734074, 867542, 1101111, 1301313, 2202222, 2602626, 4771481, 9542962, 14314443, 28628886]

約数ペア:

[(1, 28628886), (2, 14314443), (3, 9542962), (6, 4771481), (11, 2602626), (13, 2202222), (22, 1301313), (26, 1101111), (33, 867542), (39, 734074), (61, 469326), (66, 433771), (78, 367037), (122, 234663), (143, 200202), (183, 156442), (286, 100101), (366, 78221), (429, 66734), (547, 52338), (671, 42666), (793, 36102), (858, 33367), (1094, 26169), (1342, 21333), (1586, 18051), (1641, 17446), (2013, 14222), (2379, 12034), (3282, 8723), (4026, 7111), (4758, 6017)]